From patchwork Thu Jan 21 14:00:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: arun.siluvery@linux.intel.com X-Patchwork-Id: 8081511 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AAF57BF0A9 for ; Thu, 21 Jan 2016 14:01:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E96EA2051C for ; Thu, 21 Jan 2016 14:01:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 9499620504 for ; Thu, 21 Jan 2016 14:01:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A9F0E6E5CA; Thu, 21 Jan 2016 06:01:40 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 977256E5CA for ; Thu, 21 Jan 2016 06:01:36 -0800 (PST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP; 21 Jan 2016 06:00:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,325,1449561600"; d="scan'208";a="637805088" Received: from asiluver-linux.isw.intel.com ([10.102.226.117]) by FMSMGA003.fm.intel.com with ESMTP; 21 Jan 2016 06:00:57 -0800 From: Arun Siluvery To: intel-gfx@lists.freedesktop.org Date: Thu, 21 Jan 2016 14:00:44 +0000 Message-Id: <1453384847-16361-6-git-send-email-arun.siluvery@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1453384847-16361-1-git-send-email-arun.siluvery@linux.intel.com> References: <1453384847-16361-1-git-send-email-arun.siluvery@linux.intel.com> Subject: [Intel-gfx] [PATCH v2 5/8] drm/i915/bxt: Add GEN8_L3SQCREG4 to HW whitelist X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Required for WaDisableLSQCROPERFforOCL:bxt According to WA database these are only applicable for BXT:A0 but since A0 and A1 shares the same GT these are extended for A1 as well. Reviewed-by: Nick Hoath Signed-off-by: Arun Siluvery --- drivers/gpu/drm/i915/intel_ringbuffer.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 72e89b6..1decaf1 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1134,10 +1134,15 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring) /* WaDisableObjectLevelPreemptionForTrifanOrPolygon:bxt */ /* WaDisableObjectLevelPreemptionForInstancedDraw:bxt */ /* WaDisableObjectLevelPreemtionForInstanceId:bxt */ + /* WaDisableLSQCROPERFforOCL:bxt */ if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) { ret = wa_ring_whitelist_reg(ring, GEN9_CS_DEBUG_MODE1); if (ret) return ret; + + ret = wa_ring_whitelist_reg(ring, GEN8_L3SQCREG4); + if (ret) + return ret; } return 0;